M Standards Plans and M Standard Project Special Details
Welcome to the M-Standard (Miscellaneous) Plans page. The latest CDOT M & S Standard Plans Book was published in July 2012.
The 2012 M&S Standard Plans Book can no longer be purchased and is available only online.
- Download the Letter to Region Transportation Directors, Region Program Engineers and Branch Heads.
- By using this CDOT M-Standards Plans, you must accept the terms of this disclaimer.
- Please view these brief instructions.
- Access the July 4, 2012, M Standard Plan list of revisions to the July 4, 2006, M Standard Plans
- Access the revised date to open the M Standard's cover letter.
- All the latest 2012 M-Standard Plans are below in PDF format (via Adobe Acrobat Reader). They are not available in AutoCAD or MicroStation.
- View the 2012 S-Standard Plans.
M-Standard Plan Number |
Standard Plan Name (# of sheets if 2 or more) and description. |
Application of Standard Plans |
Instructions for the use of the M&S Standard Plans. |
Table of Contents | M&S Standards - Table of Contents |
M-100-1 | Standard Symbols (3 Sheets) - Symbols, line types, and patterns for plan sheets. |
M-100-2 | Acronyms and Abbreviations (4 sheets) - Acronyms and abbreviations that may be used in plan sheets. |
M-203-1 | Approach Roads - Approach road and median cross over geometry. (Revised on July 08, 2013) |
M-203-2 | Ditch Types - Plan view, concrete-lined and grass-lined sections, cut and embankment sections. |
M-203-11 | Superelevation Crowned and Divided Highways (3 Sheets) - Superelevation rates and runout. |
M-203-12 | Superelevation Streets (2 Sheets) - Superelevation rates and runout diagrams. |
M-206-1 | Excavation and Backfill for Structures (2 Sheets) - Excavation, backfill, embankment, bedding. |
M-206-2 | Excavation and Backfill for Bridges (2 Sheets) - Structure excavation and structure backfill. |
M-208-1 | Temporary Erosion Control (11 Sheets) - Typical applications for erosion control features. (Revised on April 1, 2019) |
M-210-1 | Mailbox Supports (2 Sheets) - Details for several different installations, mailbox turnouts. |
M-214-1 | Planting Details - Details for planting trees and shrubbery. |
M-216-1 | Soil Retention Covering (2 Sheets) - Turf Reinforcement Mats (TRMs) Slope Application used in steeper slopes, adverse soil, and higher hydraulic stress applications. (Revised on July 16, 2015) |
M-412-1 | Concrete Pavement Joints (5 Sheets) - Joint and dowel bar placement for concrete roadways. (Revised on January 18, 2018) |
M-510-1 | Structural Plate Pipe H-20 Loading - Structural plate pipe H-20 loading tables. |
M-601-1 | Single Concrete Box Culvert (Cast-In-Place) (2 Sheets) - Single cell concrete box culvert details and tables. (Revised on April 05, 2019) |
M-601-2 | Double Concrete Box Culvert (Cast-In-Place) (2 Sheets) - Double cell concrete box culvert details and tables. (Revised on April 05, 2019) |
M-601-3 | Triple Concrete Box Culvert (Cast-In-Place) (2 Sheets) - Triple cell concrete box culvert details and tables. (Revised on April 05, 2019) |
M-601-10 | Headwall for Pipes - Headwall quantity tables including connection to wingwalls. |
M-601-11 | Type "S" Saddle Headwalls for Pipe - Headwall quantity tables. |
M-601-12 | Headwalls and Pipe Outlet Paving - Headwall tables, and outlet paving for pipes 48" dia. or less. |
M-601-20 | Wingwalls for Pipe or Box Culverts (2 sheets) - Tables for quantities, connections, toe wall, and apron. (Revised on September 4, 2018) |
M-603-1 | Metal Pipe (4 Sheets) - Tables for metal pipes, including cover limits and bedding. (Revised on October 02, 2014) |
M-603-2 | Reinforced Concrete Pipe - Tables for RCP including cover limits, and bedding requirements. (Revised on October 02, 2014) |
M-603-3 | Precast Concrete Box Culvert - Installation of Precast CBCs, bedding, and joint requirements. (Revised on April 05, 2019) |
M-603-4 | Corrugated Polyethylene Pipe (AASHTO M294) and Polypropylene Pipe (AASHTO M330) - Installation and cover height for corrugated polyethylene pipes. (Revised on October 02, 2014) |
M-603-5 | Polyvinyl Chloride (PVC) Pipe (AASHTO M304) - Installation and cover height for polyvinyl chloride (PVC) pipes. (Revised on October 02, 2014) |
M-603-6 | Steel Reinforced Polyethylene Ribbed Pipe (AASHTO MP 20) - Details for the installation of Steel Reinforced Polyethylene Ribbed Pipe (AASHTO MP 20). (Revised on April 30, 2015) |
M-603-10 | Concrete and Metal End Sections (2 Sheets) - Tables for common pipe end sections. (Revised on May 01, 2018) |
M-604-10 | Inlet, Type C - Inlet details for pipe 30 inches or less inside diameter. |
M-604-11 | Inlet, Type D - Inlet details for pipe 42 inches or less inside diameter. |
M-604-12 | Curb Inlet Type R (2 Sheets) - Inlet details with quantity tables and rebar bending diagrams. |
M-604-13 | Concrete Inlet Type 13 - Drop inlet for gutter pans. |
M-604-20 | Manholes (3 Sheets) - Cast-in-place, pre-cast, and T-base manhole details. |
M-604-25 | Vane Grate Inlet (5 Sheets) - Rebar details and quantity tables for 36 inch and 72 inch inlets. |
M-605-1 | Subsurface Drains - Details of different applications. |
Frequently Asked Questions (FAQ) about CDOT Guardrails, Crash Cushions, and End Treatments |
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M-606-1 | Midwest Guardrail System (MGS) Type 3 W-Beam 31 Inches (19 Sheets) - Placement, installation, materials and specifications. (Revised on December 21, 2018), (Project Support Memo: 2015-4) |
Only use this standard for maintenance and repair work. |
Guardrail Type 3 W-Beam (20 Sheets).
Superseded by M-606-1 - MGS Type 3 W-Beam 31 inches (19 Sheets). (Revised on October 27, 2014) |
Only use the standard for maintenance and repair work. |
Guardrail Type 7 F-Shape Barrier (4 Sheets) - Details for F-shape concrete barrier. (Revised on August 30, 2013) |
M-606-14 | Precast Type 7 Concrete Barrier (3 Sheets) - Details of rebar, and pin and loop connection. |
M-606-15 | M-606-15 Guardrail Type 9 Single Slope Barrier (11 Sheets) - Concrete barrier with single slope sides (Issued on July 16, 2018) |
M-607-1 | Wire Fences and Gates (3 Sheets) - Barbed or combination wire fence, wood or metal posts. |
M-607-2 | Chain Link Fence (3 Sheets) - Fence and gate details with material and hardware details. |
M-607-3 | Barrier Fence - Barrier fence with steel post details. |
M-607-4 | Deer Fence, Gates, and Ramps (5 Sheets) - Game fence, Gate, and Ramp details. (Revised on April 30, 2015) |
M-607-10 | Picket Snow Fence - Picket snow fence with steel post details. |
M-607-15 | Road Closure Gate (9 Sheets) - Hardware specifics and placement of gates on highways. |
M-608-1 | Curb Ramps (10 Sheets) - Plan, elevation, and section views. Details for detectable warnings. (Revised on May 3 2019). (Sample Project Special Provision - Revision of Sections 105 and 608 Detectable Warnings). |
Additional information related to M-608-1, Curb Ramps | CDOT ADA Program Documents and Resources |
M-609-1 | Curbs, Gutters, and Sidewalks (4 Sheets) - Details for expansion joints and driveway entrances. (Revised on July 24, 2012) |
M-611-1 | Cattle Guard (2 Sheets) - Cattle guard with steel and timber wing details. |
M-611-2 | Deer Guard (2 Sheets) - Deer guard with timber and steel wing details. (Revised on April 30, 2015) |
On July 2019, this M-Standard was superseded by the 2019 S-Standards S-613-1 and S-613-2. Only use this M-Standard for projects awarded prior to July 2019. For projects awarded after July 2019, use the 2019 S-Standards S-613-1 or S-613-2. |
Roadway Lighting (4 Sheets) - Details of light standards, foundation, wiring, control cabinets. |
M-614-1 | Rumble Strips (3 Sheets) - Temporary and permanent use for shoulders, lanes, and centerlines. |
M-614-2 | Sand Barrel Arrays (2 Sheets) - Layouts for design speeds to 75 mph including weights. |
M-615-1 | Embankment Protector Type 3 - Slope run-down using flexible pipe and paved apron. |
M-615-2 | Embankment Protector Type 5 - Slope run-down using slope paving and paved apron. |
M-616-1 | Inverted Siphon - Concrete siphon pipe with trash guard, valve box, and drain details. |
M-620-1 | Field Laboratory Class 1 - 8' x 26' Field Laboratory. |
M-620-2 | Field Laboratory Class 2 (2 Sheets) - 12' x 28' Field Laboratory. |
M-620-11 | Field Office Class 1 - 8' x 26' Field Office. |
M-620-12 | Field Office Class 2 - 12' x 50' Field Office. |
M-629-1 | Survey Monuments (2 Sheets) - Monument application table and monument cap details. |
Project Special Details | |
FHWA Approval Letters | |
Design Aids | |
CDOT Form 1300: Submittal of New or Revised Standard Plan or Project Special Detail (PDF) | |
If you are a CDOT employee, consultant, or contractor and would like to receive emails of the latest revisions to the M & S Standards, please email us. Include your name, company name, and the email address at which you would like to receive this information. |